package yuku.ambilwarna.widget;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.util.AttributeSet;
import android.util.FloatMath;
import android.view.View;

public class AmbilWarnaPrefWidgetView extends View {
    Paint paint;
    float rectSize;
    float strokeWidth;

    boolean drawCross;

    public AmbilWarnaPrefWidgetView(Context context, AttributeSet attrs) {
        super(context, attrs);

        float density = context.getResources().getDisplayMetrics().density;
        rectSize = FloatMath.floor(24.f * density + 0.5f);
        strokeWidth = FloatMath.floor(1.f * density + 0.5f);

        paint = new Paint();
        paint.setColor(0xffffffff);
        paint.setStyle(Style.STROKE);
        paint.setStrokeWidth(strokeWidth);
    }

    public void showCross(boolean show) {
        drawCross = show;
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);

        canvas.drawRect(strokeWidth, strokeWidth, rectSize - strokeWidth, rectSize - strokeWidth, paint);
        if (drawCross) {
            canvas.drawLine(strokeWidth, strokeWidth, rectSize - strokeWidth, rectSize - strokeWidth, paint);
            canvas.drawLine(strokeWidth, rectSize - strokeWidth, rectSize - strokeWidth, strokeWidth, paint);
        }
    }
}
